I’m reading Naevius and it is SO DISTRACTING from my writing, if necessary and relevant.
Agrippa is seen on many early Augustan coins with very funny head gear:

Naevius helps us see how this symbolism (absent from the republican series) fits with Augustan habit of reviving older traditions as a means of legitimating the new regime:



Link to relevant coins in OCRE (more than illustrated here including v unusual use of Agrippa under Caligula, Flavians, and then a restoration type under Trajan…)